Bump mcornella from 1f89cbc to 12b6359

Bumps [mcornella](https://github.com/mcornella/dotfiles) from `1f89cbc` to `12b6359`.
- [Commits](mcornella/dotfiles@1f89cbc...12b6359)

---
updated-dependencies:
- dependency-name: mcornella
  dependency-type: direct:production
...

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